When I'm in the office the Outlook client connects to Exchange (5.5). When I'm at home Outlook is a regular mail client.

Here's another thing - I work on a regular workstation in the office, and a Sony Vaio at home. Compiling your test add-in on either machine and then attempting to use it in Outlook on either machine gives the same error message!

It's gotta be something!

Both Delphi installs (home and office) are configured identically. In the IDE I use GExperts, JVCL, Add-In Express, VCLZip and that's pretty much it. I can't imagine these would cause any problems?

I guess the fact that I can get the problem to happen on 2 machines means we should look at anything as a possible answer?

This technology is now available for our custom development services only. Based on the Add-in Express for Office core, it is designed for building custom-tailored Office add-ins with far less coding than you usually have to do. Plus, it includes all Add-in Express features such as True RAD, visual designers, Outlook view and form regions, etc.

Get the best platform for building version-neutral, fast and easy deployable plug-ins by using Add-in Express projects templates, visual designers, components and wizards in combination with a perfect Delphi compiler.

This is an extension for Visual Studio that allows developers to quickly create WiX-based setup projects in a familiar Visual Studio way.

The Designer for WiX Toolset lets you forget the plain Windows Installer XML and concentrate on your deployment logic. It integrates several editors with the Visual Studio IDE and provides a set of vdproj designers to configure the file system, registry, user interface, custom actions, launch conditions and more for your setup projects.

The innovative technology for customizing Outlook views and forms. It is included in all Add-in Express for Office products and can be used to extend Outlook views, e-mail, task and appointment windows, To-Do bar, Reading and Navigation panes with your own custom sub-panes.

Microsoft and the Office logo are trademarks or registered trademarks of Microsoft Corporation in
the United States and/or other countries. All other trademarks are property of their respective owners.